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From: Vito De Tullio <vito.detullio@gmail.com>
Newsgroups: comp.lang.python
Subject: Re: repeat items in a list
Date: Tue, 29 Mar 2016 23:25:36 +0200
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Random832 wrote:

> How do you turn ['a', 'c', 'b'] into ['a', 'a', 'a', 'c', 'c', 'c', 'b',
> 'b', 'b']?

>>> sum([[e]*3 for e in ['a', 'c', 'b']], [])
['a', 'a', 'a', 'c', 'c', 'c', 'b', 'b', 'b']


-- 
By ZeD